<div class="jumbotron text-center" style="margin-bottom:0">
  <h1>我的第一个 Bootstrap 4 页面</h1>
  <p>重置浏览器窗口大小查看效果！</p> 
</div>
 
<nav class="navbar navbar-expand-sm bg-dark navbar-dark">
  <a class="navbar-brand" href="#">导航</a>
  <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#collapsibleNavbar">
    <span class="navbar-toggler-icon"></span>
  </button>
  <div class="collapse navbar-collapse" id="collapsibleNavbar">
    <ul class="navbar-nav">
      <li class="nav-item">
        <a class="nav-link" href="#">链接</a>
      </li>
      <li class="nav-item">
        <a class="nav-link" href="#">链接</a>
      </li>
      <li class="nav-item">
        <a class="nav-link" href="#">链接</a>
      </li>    
    </ul>
  </div>  
</nav>
 
<div class="container" style="margin-top:30px">
  <div class="row">
    <div class="col-sm-4">
      <h2>关于我</h2>
      <h5>我的照片:</h5>
      <div class="fakeimg">这边插入图像</div>
      <p>关于我的介绍..</p>
      <h3>一些链接</h3>
      <p>说明文本</p>
      <ul class="nav nav-pills flex-column">
        <li class="nav-item">
          <a class="nav-link active" href="#">激活状态</a>
        </li>
        <li class="nav-item">
          <a class="nav-link" href="#">链接</a>
        </li>
        <li class="nav-item">
          <a class="nav-link" href="#">链接</a>
        </li>
        <li class="nav-item">
          <a class="nav-link disabled" href="#">禁用</a>
        </li>
      </ul>
      <hr class="d-sm-none">
    </div>
    <div class="col-sm-8">
      <h2>标题</h2>
      <h5>副标题</h5>
      <div class="fakeimg">图像</div>
      <p>一些文本..</p>
      <p>菜鸟教程，学的不仅是技术，更是梦想！！！菜鸟教程，学的不仅是技术，更是梦想！！！菜鸟教程，学的不仅是技术，更是梦想！！！</p>
      <br>
      <h2>标题</h2>
      <h5>副标题</h5>
      <div class="fakeimg">图像</div>
      <p>一些文本..</p>
      <p>菜鸟教程，学的不仅是技术，更是梦想！！！菜鸟教程，学的不仅是技术，更是梦想！！！菜鸟教程，学的不仅是技术，更是梦想！！！</p>
    </div>
  </div>
</div>
 
<div class="jumbotron text-center" style="margin-bottom:0">
  <p>底部内容</p>
</div>
